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Cheap Flights from Baltimore to Seattle

Every verified deal from Baltimore to Seattle, ranked by how far the fare falls below its route baseline. Prices are checked against live availability.

Baltimore → Seattle

$232 $0.05/mi

United · Economy · Nov 9 – Nov 17 (8n)

On the board right now

Cabin mix: 1 Economy.
Best discount right now: 56% below the route baseline.
Most active airlines: United.
1 deal first seen in the last 24 hours.

Price history: Baltimore to Seattle

Lowest observed fare on this corridor over the past year, from our signals database.

$187 — seen Aug 2026 (2 observations)
$186 — seen Aug 2026 (2 observations)
$193 — seen Aug 2026
$186 — seen Aug 2026
$562 — seen Aug 2026 (8 observations)
$562 — seen Aug 2026 (4 observations)
$562 — seen Aug 2026 (4 observations)
$589 — seen Aug 2026 (5 observations)
$347 — seen Aug 2026 (13 observations)
$457 — seen Aug 2026
$575 — seen Aug 2026
$575 — seen Aug 2026 (5 observations)
$547 — seen Aug 2026 (5 observations)
$547 — seen Aug 2026 (21 observations)
$547 — seen Aug 2026 (8 observations)
$547 — seen Aug 2026 (7 observations)
$547 — seen Aug 2026 (2 observations)
$547 — seen Aug 2026 (4 observations)
$283 — seen Aug 2026 (3 observations)
$283 — seen Aug 2026
$178 — seen Aug 2026 (3 observations)
$417 — seen Aug 2026
$178 — seen Aug 2026 (7 observations)
$178 — seen Sep 2026 (4 observations)
$178 — seen Sep 2026 (4 observations)
$178 — seen Sep 2026 (4 observations)
$178 — seen Sep 2026 (5 observations)
$178 — seen Sep 2026 (4 observations)
$178 — seen Sep 2026
$219 — seen Sep 2026 (2 observations)
$228 — seen Sep 2026 (8 observations)
$427 — seen Sep 2026
$428 — seen Sep 2026
$396 — seen Sep 2026
$297 — seen Oct 2026
$297 — seen Oct 2026
$232 — seen Oct 2026
$232 — seen Oct 2026

Frequently asked questions

How many flight deals from Baltimore to Seattle are on Sparkflights right now?

There are 1 verified deals from Baltimore to Seattle on the board right now. The list refreshes hourly.

What is the cheapest flight from Baltimore to Seattle right now?

The lowest verified fare from Baltimore to Seattle right now is $232. Prices are checked against live availability before listing.

What is the lowest price ever seen from Baltimore to Seattle?

The lowest fare we've recorded from Baltimore to Seattle is $178, based on 38 price observations over the past year.

Which airlines fly Baltimore to Seattle?

Airlines with the most deals from Baltimore to Seattle right now are United.